Beer cooling and dispensing system



July 21, 1936. JENKINS 2,048,266 I BEER COOLING AND DISPENSING SYSTEM Filed May 11 1935 6 Sheets-Sheet l IN V EN TOR.

July 21, 1936. -r JENKINS 2,048,266

BEER COOLING AND DISPENSING SYSTEM Filed May ll, 1935 6 Sheets-Sheet 2 July 21, 1936. T. A. JENKINS BEER COOLING AND DISPENSING SYSTEM 6 She ets-Sheet 5 Filed May 11, 1935 Fig.5

m m m m July 21', 1936. T. A. JENKINS BEER COOLING'AND DISPENSING SYSTEM Filed May 11, 1935 6 Sheets-Sheet 4 July 21, 1936. T, ,A JENKINS 2,048,266

BEER COOLING AND DISPENSING SYSTEM Filed May 11, 1955 6 Sheets-Sheet 5 v 3.; I tj fl f y I Fzlprly F1516 117A!) 517 7 I18 Ll Jul 21, 1936. A, JENKlNS 2,048,266

BEER COOLING AND DISPENSING SYSTEM Filed May 11, 1955 6 Sheets-Sheet 6 ,Faiented .Fniy at, was

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Application May 11,

This invention relates to improvements in beer cooling and dispensing systems and consists in the construction; combinations and arrangements as herein described and claimed. r

The general object of my invention is the provision, in a manner-as hereinafter set forth, of a beer cooling and dispensing systemthat is complete in arrangement; unique in design; attractive; durable; sanitary; efficient and economical in operating performance. i

The basic thought and purpose of conception, as embodied in this invention, is the creation of a beer cooling and dispensing system, wherein the cooling tank is simple; the means for cooling highly eflicient and the entire system complete in function and sanitary throughout. Means for filtering the beer are practical in every sense and perform the important function of protecting various valve protecting elements. Means for controlling pressure; retaining gases and for flushing and emptying the entire system during.

cleaning periods are provided. The fundamental principles of this invention have actually been put through a practical test, results observed and the inventionthus brought to the point of contions make no material departure from the salient features'of the invention, as expressed in the appended claims.

In the drawings:--- Figure 1 is a sectional view, taken along line l-i of Fig. 2, with an indication of the cooler.

box with water and ice briefly illustrated.

Figure 2 is a plan of the top of the tank, taken at line 2-2 of Fig. 1. The cooler walls and other projections have been eliminated for explicit reasons. V

Figure 3 is a sectional view, taken along line 3-3 of Fig. 1, showing a reinforcing band or ring around tank cylinder and means for rigidly fastening tank in a. cooler box, to preventflotation when tank is empty.

Figure 4 is a sectional view, taken along line 4-4 of Fig. 3, showing 9. lug for holding clamp screws. Y

1935, Serial at. wear Figure 5 is a view of the bottom of I cover 6, ,taken at line 5-5 of Fig. 1.

. Figure 6 is a view of the lower face of the tank ring 3, taken at line 63- 6 of Fig. 1. Said view is stripped 011 all component parts for explicit reasons.

Figure 7 is a sectional view, taken along line 8-4 of Fig. 2, showing needle valve and means for supporting component parts thereof.

Figure 8 is a sectional view, taken along line M of Fig. 7, showing float and arm assembly and means for supporting same.

Figure 9 is an enlarged sectional view, taken along line 9-9 of Fig. 8, showing pivots and needle valve assembled.

Figure 10 isa sectional view, taken 10-40 of Fig. 7.

Figure 11 ise. sectional view, taken along line along line I I- l l ofFig. 2, showing filter and check valve of beer inlet line of tank.

l2'l2' of Fig. 11, showing guides or ribs tering ball element of check valve.

Figure 13 is a. sectional view of tank body fragment, showing 'a second method of arranging cooling tubes. In this view the tube is bent at both ends, whereas in'Fig. 1 the tubes are bent at the upper end only.

Figure 14 is a sectional view, taken along line l4-l4of Fig. 16, showing empty beer keg or container indicator.

Figure. 15 is a plan view, taken along line l5|5 of Fig. 14, showing body 01' indicating element with all component parts eliminated for explicit reasons.

Figure 16 is a view, taken along line l6--l8 of Fig. 14, showing empty beer keg or container" at 'line 11-11 water orrefrlgerant-contained in cooling tubes of beer tank.

Figure 18 is a view, taken at line 18-18 of Fig. 17, showing a side arrangement of agitating tube hub. I k Figure 19 is a plan view of clamping bracket,

taken at line 19-19 of Fig. 20.

Figure 20 is a front view of clamping bracket, taken at line 202ll of Fig. 19.

Figure 21 is a side view oilclamping bracket, taken at line 2l-2| of Fig. 20. g

v Figure 22 is a. transverse section of valve plunger 18, as in Fig. 1 and shows a plurality oi grooves 151, which serve as passageways for escaping air.

, I 20 Figure 12 is a sectional view, taken along line for cen- Figure 24 is a sectional view of a check valve.

through which air passes into a beer keg. It

" vm functions in preventinga drop in keg pressure, in

the event of a momentary reduction of pressure at the source of supply, Figure 25 isa sectional view taken along line 2525 of Fig. 24 and shows a plurality of guides 5 01a"1 ribs for centering the ball element of check v ve. 1 a

Figure 26 is a sectional view, taken along line 26126 of Fig. 24, showing apl'urality of sides to be utilized in applying a wrench when fasteni valve to a beer keg bung} 1 I Figure 2'1 is a sectional view of a beer tap rod, showing" a tubular shaped filtering screen in a removable ferrule, which serves to prevent sedi-- ment or other foreign matter entering the beer line and avoids frequent removal of filter screen from beer tank cover.-

, gure 28- is a sectional' view, 28-28 of Fig. 27, showing a tubular shapedfilter screen in a tap rod with surrounding clearance 30 {space through which beer flows.

' In the design of this beer cooling and dispensing system, it is well to note that it is composed 'of several component parts orelements that are connected by pipe lines and it may have the appearance of several separate items having independent functions, however the fact is that any system through which beer is handled, must bein estate of completiveness and all component elements must cooperatively function, in order 40 that satisfactory results can be obtained. If any of the several component elements of this system' fail to function, such failure will be readily apparent when the dispensing faucet is placed in every complementary elenient ofthe outfit must work cooperatively in orderthat desired service r may be rendered. 1 c

Referring now to the drawings in detail, like numerals of reference indicate corresponding parts throughout the several views.

In-Fig; 1 is a sectional view, through the beer cooling tank; combination needle and relief valve and other essential component parts. f Numeral I is-the cylinder 61' body of the tank proper. Nu-

meral 2 is. the bottom. of the tank. Numeral3 is "a clamp ring, which is fastened to tank cylinder I by the use of solder as at I43. The bottom'ele ment 2, is also fastened to tank cylinder I by the use of solder as at I42.- Numeral 4 is the tank cover and numeral 5 a gasket; Cover 4 is clamped to clamp ring 3, by means of studs 8 and cap nuts1. The stud heads 6, are'recessed in corre-.

sponding holes in clamp ring 3 and are then sol- 65 dered in fixed position, as at I44. Gasket .5 is retained between two raised surfaces or circular walls 86 and81, as in Fig. 5 which clearly shows I said walls and Fig. 1 which shows gasket assem bled. This arrangement prevents blowing out of the gasket when pressure is applied. The raised surface or; circular wall 61 extends past the depth of gasket 5 andcontinues a suitable distance below the'upper surface of ring 3, into a corresponding center hole of said ring as shown in Figs. 1 and 3, thisattributes to efiecting airtight relations between cover 4 and, clamp ring 3, when in assembled position. Numeral 8 is one of a plurality of cooling tubes, through which cold water circulates and thus rapidly absorbs heat units from beer contained in cooling tank. The level of "said beer is indicated at numeral I38,' Fig. 1. Cold water I41 enters the cooling tubes at the bottom, as at- I45 and passes out on the side .or exterior surface of tank cylinder, as at I46.

The beer as at I48,- surrounds the cooling tubes 8. A plurality of tubes 8 are used and they are of small diameter, which is very efiicient, in that a substantial cooling area is provided and the volume of beer" space lost in the tank is small. The tank as a whole is submerged in cold water, which is contained in an insulated cooler box, the walls of which 'are indicated at 31. The cooling water is maintained at a low temperature, by means of cracked ice as at 43 or by the use of mechanical refrigeration apparatus. In either case, the water bath is utilized. The circulation of the water depends in general, on the physical function of temperature change, in that warm water flows to the top, while cold water sinks to the bottom. This is a physical fact. To increase s I the circulation of water through the cooling tubes taken along line 8, a plurality of small tubes 48, are assembled in a manifold hub 39, which manifold hub is fasten'ed to the-bottom 2 of the tanknby a threaded spud of integral portion of the manifold hub 39, as at I49. A supply of air enters tube H, which is attached to manifold hub 39, as shown in Fig. 17. From the manifold hub 39, air passes through the plurality of tubes 40 and out at the aperture I50 thereof. As the apertures I50 are aligned concentrically with the lower open ends of cooling tubes 8, the :air naturally flows up through cooling tubes 8 and passes out at the exterior surface of tank cylinder, as at I46. It continues moving through the cooling water until the top or level of same is reached. This movement of air causes agitation and effects an increase in the circulation of the cooling water" I41. A small flow of air is suificient and the method is less costly'than resorting to the use of propellers or other such mechanical agitating elements. Also there is nothing to get out of order in this arrangement. Air has to be supplied to-the sys.- tem for pressure, therefore it is only necessary to tap into the source of air supply, in order to place said system in operation. Another arrangement of cooling tubes is shown in Fig. 13, in which element is equivalent to 8 of Fig. 1,, the difference being that element 98 is bent at both ends, whereas element 8 is bent on one end only. Numeral 38 is the same inboth cases, as shown in Figs. 1 and 13. QIn Fig. 13, numeral 92 is an extended wall of bottom 9|, which is the same as'bottom 2, with the exception of extended wall 92, which is necessary to provide additional fastening material, for the lower bend of cooling tube 90. Both cooling'tube arrangements are identical in function and effect, the use of either is a matter of choice or convenience. I have indicated both methods, 65

so that the purpose of my invention will not be defeated by someone taking advantage .of the slight change, as the drawings indicate.

In Fig. 1, numeral 35 indicates a clamping bracket, shown in detail in Figs. 19, 20 and 21. 70

Two brackets are used with each cooling tank. The brackets 35 are fastened to the interior surfaces of the cooler box, as at 31, by means of screws 36. Lugs 41, which are an integral part of. ring 38, carry screws 34, which clamp accuses curely fasten the that: into cooler box. is.

very important, in that the buoyancy oi the tank when empty, has s :li icient power to loosen con- Elections oi the i'et, outlet and. indicator pipe lines, therefore the tank must be rigidly secured in the cooler box, so as tonvoid interruption of service and consequently loss oi beer. Numeral 9 is the outlet tube and is fastenedto cover Ll, by soldering in a corresponding hole in boss 53b. Tube 9 extends to the bottom of tank and drops slightly below the general surface of the tank tank bottom 2, for a distance of one inch, a

quantity or liquid slightly less than one inch deep, would always remain in the tank, as air will how out of the tank at the bottom, as soon as it has reached a level with the aperture of tube 9, con= sec uentlylaiter cleaning the tank. clear water or 5 flushing solution practically one inch sleep, would remain in the tank and mix with the first tank iull of fresh beer. With a small recess in the bottom element 2, thiscondition is practically eliminated. In havingthe'outlet tube extend to the extreme bottom of the tank, beer having coldest temperatureis drawn out. Tube 9 is connected to a pipe line it, through a boss on the .exteriororj upper surface of the cover ii, concentricaily formed over boss til. it sectional view oi "the upper threaded boss, to which pipe line 213 istastened, is shown inFig. 11 at lbs. "The upper section i533, ct both inlet and outlet bosses are identical. r r I L in Fig; 1-1, numeral 80 is a coupling nutyit is a washer; it is a sleeve and 52 is block tin tubing orthelike.' I a In Fig. 1,- outlet pipe line it continues to a dispensing faucet, which is mounted on the exterior surface of a cooler box. Said faucet is not indicated, as it e is generally understood and is a.

standard commercial product, with the exception that the passageway therein is smaller than that used in the standard product. The pmsageway in outlet pipe line 26, practically corresponds with that in the faucet. The. passageways in the iaucet'and' outlet pipe line it aresmaller than that in inlet pipe line 52, as shown in Fig. 2 by general proportion. The small diameteroi passageways in the faucet and outlet pipe line it, curtails the flow of beer when dispensing and thereby controls the foam of beer. worth noting that by having an inlet passageway larger thanan outlet passageway, the supply of beer in the tank is continuously replenished,

while beer is being dispensed. .Fig. l, numeral l-il is a float and fit is a. float arm. Pivots 33, which are fastened to floaifarm it, raise and lower the valve needle it, through the buoyancy of float It is alsoit. 7 0n the exterior surface of cover l, 'concentrically arranged over valve opening in boss 52 is a boss ass, with a threaded hole, into which isfastened, a threaded shank of the relief valve. At 955 is a gasket. Relief valve threaded shank 5 956, has integrally formed at the end thereof, a plurality of extended sections in the form of guides, against which ball 83 rolls or slides. Said relief valve, designated as a whole by numeral ill, has a body ill with a passageway it, which connects with a vertically formed passageway i5, in threaded shank portion thereof. At the open end of passageway it, is formed a valveseat, against which valve element it closes. Valvgelement it is fastened to plunger is, by means of screw lli. Plunger it; has at the valve element end, a plurality of grooves itl, through which relieved air passes. A sectional view of air relieving grooves or passageways. is shown clearly in Fig. 222. Plunger 18 has a hollow shank 23, 20' with a plurality oi intersecting holes '28, through which relieved air passes. Plunger shank 28, slides in a corresponding hole in adjusting and retaining sleeve 22. Said sleeve 22, has a slot 225, for obtaining adjustments of coilspring. 2 by means of a screwdriver. The open end of valve body i5 is threaded for a certain distance. The

' large end of sleeve 22 is threaded and corresponds to the threaded section of body l5. Sleeve 22 has a shoulder at one end, against which rests 30 a coil spring it, which said spring surrounds hollow shank 23 and which is encased by a tube" provision of a threaded end, which screws into tem explicitjit is necesasry to refer to Fig. 24, in

which itltindicates the top of a beer keg and. M2 the bottom of a beer keg. Numeral its is a dividing line, below whlch is beer and above which is air. Numeral its is a tap rod, which passes up through a bung till. The top of tap rod l 2Ei,'which is not shown, has a stop cock and a coupling unit, to which inlet pipe line 52 shown in Figs. 2 and ll is attached; In the upper portion of bung itl, tap rod lib fits tight,'while the lower portion of bung it'l has a clearance space I58, surrounding tap rod I28. Check valve, designated as a whole by numeral use in Fig. 24, is fastened to bung I31. Air 66 hose I25, leads to a source of supply. Air in hose lit passes through opening I25 and due to pressure. pushes past ball" lit. Coil spring I23 exerts sumcient pressure against ball I263 to keep it pressed against seat. The coil spring E23 is self I centering'due to the arrangement shown. The ball 9263 is kept concentric with valve seat, through a plurality of guides or ribs I20, shown clearly in Fig. 25. In, Fig. 24, numerals I22 and I21 are gaskets. The check valve as a whole indicated by ISO, was designed exclusively for this beer cooling anddispensing system. Continuing with the movement of air, after it has forced ball IN open, it passes on through bung I31 and enters beer keg through clearance space I58. The pressure oi air forces beer out of the keg. The check valve I60,

prevents a drop in keg pressure.-

- In. Fig. 2?, beer is forced out through a plurality of holes I30, in tap rod I28. Numeral I3! is :a plug and I33 a slot for removing the said plug when Figa28. shows asection through tap rod I28. Numeral MI is the bottom of filtering screen I29 and I90 is a space surrounding same, through which beer passes out into the beer line. The

- filtering screen I29 prevents foreign matter en- 15 tering the beer line; The beer passing through .tap rod I28 continues into pipe line 52, shown m Figs. 2 and 11.

In Fig. 11, the beer has to-pass through another filtering screen 8 I which is practically a duplicate of filtering screen I29, shown in-Fig. 2'7. Numeral 52 is a beer line; I8 a sleeve and 80 a coupling. Numeral I9 is a gasket. Numeral 82 continues the passageway for beer entering line 52. The beer passes through to 89, then lifts ball 84' from its seat and passes into cooling tank. Check valve indicated as a'whole bynumeral IBI, prevents a loss of pressure in the cooling tank, when changing to a new keg of beer. The ball 831s kept concentric with valve seat by a plurality of guides or ribs 81, which are integrally formed with check valve body as shown in Fig. 12. This valve is distinctly adaptable for use in this beer cooling and dispensing system. 'It is designed with sanitary views, simple in construction and has a minimum of valve seating surface, to prevent sticking of valve element, -due to sugar in beer. So farthe description in general concerns the passage of beer from the keg to thecooling tank. It is well to note thejpu rpose of two filteringscreens, I29 in Fig. 2'7 and Ill in Fig. 11. Filtering screen I29 in Fig. 2'7, has the open end at the bottom, thisallows sediment to drop down when pressure is removed. Same occurswhen changing to a new keg of beer.

In the case of filtering screen M as shown in Fig.:11, ,the top is open. To clean filter ing screen 8i it is necessary to interrupt service,- as same must be removed. The two filtering screens are therefor essential. The filtering of beer before it enters the cooling tank is an important function.. If sediment passes into the 'cooling tank and finally enters the needle valve chamber or lodges on the check valveseat, it will be necessary to open the cooling tank, in order to correct the condition. J The transferring of beer'from the keg to the cooling tank has now been covered. Referring to Fig. l, the beer in cooling tank reachesa certain level, as indicated by numeral I38. Above that level, air is contained as indicated by numeral I5I. The volume of .air remaining in cooling tank, is' governed by the needle valve float. Said air I5I' acts as a cushion against shock, when dispensing faucet is opened. Under proper conditions, it prevents moisture cnteringrelief valve and it serves keg is empty, as will be described later on. Beer Y as a means'for an indicating signal when a beer in the-naturalstate-contains a certain amount of-COz and it is essential that the C: be kept in'solutio'n; To accomplish this, certain pressures must be maintained, which correspond with oertain pressures must be maintained, which correspond with certain temperatures. For'instan'ce, CO2 escapes from beer as the temperature increases. For instance, the'ideal temperature of beer for serving should be between '42 and 45 amazes Y must be increased, that is to keep the CO2 in solution. To accomplish the maintenance of essential pressure, a combination needle and relief valve has been provided. The valve needle II, is

raised through-buoyancy power of float i9,-which exerts pressure through float arms I4, which car- 10 riespivots 33. The pivots 33, fit into cutouts in needle .I I. The cutouts are shown distinctly in Fig. 9. Pivots 33 lift the needle II, through buoyancy' of float I9 and lowers same through gravity thereon. The leverage arrangement of float I6 and arm It, exerts considerable pressure on needle II, which in turn effects a tight closing at the needle point and valve seat. Air passes by way of needle valve, through a plurality of grooves I2. Relief valve, which is indicated as a whole by 1111- meral 5I, is set to relieve at a predetermined pressure. Assume that relief valve 5| is set 'to relieve at a pressure of fifteen pounds. The keg pressure must of necessity, be higher than that at which the relief valve is set. This is necessary because the hydrostatic'weight of'the beer in pipe line and the resistance of said pipe line, also other elements must be offset. In starting the system, beer is forced by air pressure, into the cooling tank. Acertain amount of excess pressure over that required to ofiset the hydrostatic weight of beer and resistance of pipe line and other elements is necessary, in order to keep the relief valve open, until beer flowing into cooling tank has reached a suflicient level, to actuate the float I9, which closes valve needle II. Naturally, if the pressure in the cooling tank was equal to, or less than that, for which the relief valve 5i was set to relieve; beer could not enter the cooling tank, as there would be no means of escape forair in the 40 tank because the relief valve would not. open. When .the float is down and the needle valve thus opened, air flows out through the plurality of grooves I2 and lifts ball I3, continues through passageways I5 and I6, then through a plurality of 5 grooves I5'I,shown clearly in Fig. 22, it then enters hole 2| of plunger shaft 23, through a plurality of intersecting holes .29, then continues out through hole I52 in valve cap 25, then enters pipe line 28, the continuation of which said pipe line 28 is shown in Fig. 14. The air is lead through hole 98 of indicating element 95, which said number the. valve needle I04 is open, in which case escaping air continues to' travel and passes through a plurality of small holes H2, as shown in Fig. 15'. Said holes H2, reduce'the force of escaping air.

Numeral 99, indicates a glass cylinder, which is fastened in the body. of indicating element 95 and a5 serves-as a'container of water. The escaping air passing through hol"s I I2, must continue through the quantity of water contained in the cylinder 99. As the air passes through the water. l63, it produces bubbles "II, which serves as an indicating'm signal, which is both audible and visible. The air continues out of the cylinder 99, by way of'a plurality of small holes II 3, shown clearly in'Fig. 16. Holes I I3 are in cap I03. Said cap is retained in I position by gravity. If the. air was allowed to pass a sence through one large hole instead of a plurality of small holes M2, the force would be suilicient to 1 blow water out of the cylinder st. After filling of cooling tank is completed, the needle valve 9 II as in Fig. 1, closes and then the water in cylinder to oil-Fig. it, will be at rest. This condition cantinues until the beer keg is completely empty.

When this occurs, the level of beer in the cooling was will drop and the float will cause valve needle. M of Fig.1, to open. Air will then flow from the beer keg, into the cooling tank as in Fig. l and pass through the beer, to the top of'cooling tank as in Fig. 1, then pass through relief valve 5 i into pipe line it, a view of which is continued-in 3 Fig. 141, then through holes'iit and till, through the water its andout through holes lid of cap. Bubbles" iiil are vthereby produced, which fur,

. nishes a visible and an audible signal that indicates that a r keg is empty. In Fig. 1, numeral 7 it is guided and maintained in a concentric 120- it is a ball which rests on a .valve seat. The ball sitionover the outlet of needle valve it, by a plurality of guide formations or ribs it, which are an integral part of the shank of relief valve 59.

" When insuficlent ice or other refrigerating means is used, the beer temperature will rise and when a .certain point is reached, the beer will foam ex= cessively and allow the float id to drop, which will consequentlypermit foam to enter the relief valve 5i and continue through to the indicator element.

. prevent such a possibility, ball i ii forming a check valve is utilized. When thecondition of excessive rose is created, it will be necessary to close needle valve idilof indicator, as shown in Fig. 1d.

eneedle valve Edd, should remain closed until the beer temperature, is lowered and excessive foaming stopped, otherwise foam will continue to how through indicator, with ultimate loss of beer.

In Fig. 14, when it is necessary to clean the glass I cylinder at, the cap its is lifted arid the glass cytpet cock W9. Numeral Bills the internalisuriace or wall of cooler box, ;also shown in Fig. 1. Nib

meral its is the exterior surface or wall of cooler 3395: r. k A. I

In Fig. 16 is shown a front view of the indicator as a whole. It is mounted on the exterior surface or wall are of a cooler box. The body is securely fastened to exterior surface or wall lit, by means oi a pluralit-y of screws I I5. Numeral tit indicates plugs, which closes the open ends of horizontal hole -ldd, clearly shown in Fig. 1d.

In Fig. 1 is shown control elementtd, which has a threaded shafts? and a head and valve seating shoulder ltd at each end. Boss 53,'which is an inv tgrjal part of cover l and is shown clearly in Fig.

'5 has a recess at each end into which is fitted gaskets'tl and Mt This'controller element 3d, functionswhen the cooling ta'nkis to be flushed -or cleaned. Byscrewing controller element-.39 downward, float it is maintained in aldepressed position, which keeps valve'needle ll open. The

valve shank.

gaskets 8i and til prevent the possibility of leakage.

To flush the cooling tank an empty keg or container is utilized. It is filled with warm water and bicarbonate of soda or some other flushing solu- 5 tion and pressure is applied the same as if beer was in the keg or container. It is'essential that "every part of the interior of cooling tank and the various valves and other elements thereof be washed and to accomplish this, the controller element 3% is screwed downward and pet cock 2d, shown clearly in Fig. 2, is opened until solution passes through pet cook it, at which time said pet'cock 29 is closed, the controller element 3!] is left screwed in downward position and a dispensing faucet is opened, which allows the flushing solution to pass through the complete system.

When flushing is completed, the air flow is allowed to continue long enough to dry the system, after which controller element 3d is screwed in upward position, thus the float iii will be free to function normally. If the petcock 29 and controller element were not utilized, the upper part of cooling tank and the various valves and other elements thereof, would not be flushed or washed, as thecomplete elimination of air from the system could not be accomplished under said condition.

In Fig. 7 is shown a/detailed sectional view of needle valve elements. Numeral E2 is a boss integrally formed with cover l. Numeral H55 is an 30 enlarged portion of boss t2 and furnishes material for the needle valve chamber and the reliefv Tie rods it support bracket 5!]. Numeral l'l indicates nuts for clamping bracket liiiin position. Numeral it'd indicate bracket arms, which are an integral part ofbracket 50.

Said arms ltd support shaft 62, which is retained in position by cotter pins being placed in holes l3, shown clearly in Fig. 8, the cotter pins being eliminated. Float arm it rotates on shaft l2, shown clearly in Fig. 8. The rotating movement is naturally a small part of a revolution. In Fig. 8, float it has a female threaded spud, into which a threaded shank it'l on float am it fits. Float arm it carries two pivots 533, which supports valve needle li,'as shown in Fig. 9.

In Fig. 3 is shown a section, taken along line 3-3 of Fig. l. Numeral iii indicates a ring which furnishes an increased amount of surface, to which walls of tubes 8 can be soldered, as at I68, This is desirable in order to secure a firm grip on the cooling tubes t. The plurality of flat surfaces on said ring 3t, facilitates the placing and boring of holes, through which the cooling tubes .55

Lugs ill, which are an integral part of ring 38, form a substantial means for supporting clamp screws 3d. The clamp brackets 35, which are shown in detail in Figs. 19,' 20 and 21, aresimple in construction and highly practical. In Fig. 20, serrated cuts iii; are clearly indicated. These serrated cuts 9 i8, supply means 'for gripping, when clamping screws 3d are moved into clamping position. The arrangements as shown in Fig. 3, allow for variations in the several directions, as encountered" when clampinga cooling tank into requiredpositlon in a cooler box. The ring 36 is soldered to cooling tank cylinder of body I, throughout the complete circumference thereof,

, which forms arigid structure.

In Fig. 5 isshown the under surface of cover 4, as indicated at 5-5 in Fig. 1. In showing this de tail, all component parts have been eliminated on the upper surface of cover 4, upon which rests' cap nuts I, as shown in Fig. 2. Numeral 561 is a boss on the upper surface'of cover 4. Numeral 51 is a" threaded hole, into which fits a pet cook 29, shown in Figs. 1 and 2. Numeral 53 is a'boss and 55 is a recess, into which a gasket 68 fits, as shown in Fig. 1. On the upper surface of cover a,

1 concentrically arranged over recess 55 and tapped hole 54, is a duplicate recess, into which gasket 3| fits, as shown in Fig. 1. Numeral 5B is a boss, which continues on the upper surface of'cover 5, as at numeral I53 of Fig. 11. Numeral 59 is an opening through which beer enters the cooling tank. Numeral Ill is the shoulder of a counterbored hole, against which rests outlettube t, as

in Fig. I. Said. tube '9 is soldered into position. Concentricallyformed over boss 60, on the upper surface of cover 4, is a boss duplicating i513, as shown in Fig. 11. Numeral 62 is a boss integrally .formed with cover 5. Numeral 55 indicates tape ped holes for receiving tie rods 69, shown clearly in Figs. 1 and 5. Numeral $3 is a valve needle chamber and 64 is a valve needle seat, clearly shown in Figs. land 5. Concentrically formed on the upper surface of covert, over valve needle chamber 63 and valve seat this a boss i5 l arranged to receive threaded shank of relief valve 5!, as shown clearly in Figs. 1 and -7. Numerals 66 and 51 'are'raised circular walls, between which fits a gasket. 'Thecircular wall 6'! extends below the circular wall Biand the outer edge, of circular wall 61, indicated by numeral H2, clears edge I13 of Fig. 6 and extends below the top of surface H5 when assembled, as shown in Fig.

/ -In Fig. 6 is shown a cover clamping ring," with all component parts eliminated for explicit reasons. Tank-cylinder i as shown in Fig. 1, is

soldered to wall surface il i. The edge of tank cylinder I rests against shoulder 69. Numeral it indicates one of a plurality of tapped holes.

Numeral ll is'a' shoulder formed by counterboring, against which rests the under surface of stud heads 5, shown in Fig. 1. The hs of studs 5 are soldered into position.

In Fig. 22, is shown a transverse section through relief valve plunger it and the purpose of this view, is to make explicit, the arrangement of the plurality of air escaping grooves i5l, which ,is shown in Fig. 1. A N

In Fig. 23 is shown a transverse section of relief valve, taken through the plurality of intersecting holes 20, as indicated in Fig. 1. The view is in the direction of valve endor towards passageways it, as indicated in Fig. 1. This section shows valve plunger shaft 23, air .passageway 2i, plurality'of intersecting air escaping holes 2t, coil spring is,

lower section of sleeve 22 and a section through lower part of valve body 55.

Having described my invention, I claim as new and desire to secure by Letters Patent, the fol.- lowing:

1. A beer cooling and dispensing apparatus of thecharacter described, comprising a cooling tank arranged for 'receiving; conditioning and maintaining a constant supply of a liquid or beverage to be dispensed and provided with means' to increase the cooling area of the said cooling tank and thus facilitate cooling of the contained 'liquidor beverage, comprising a single circular liquid or beverage, comprising a single circular row ofvertically placed open end cooling tubes interiorly'located within the said cooling tank in spaced relation, said tubes being bent at their ends, the lower bent open ends of the said coolin tubes being securely fastened in corresponding holes in the lower portion-of the cooling tank wall density changes in the said cold water or alike 5 refrigerant and consequently performs the function of transferring heat units from the liquid or beverage contained in the said cooling tank to the said cold water or a like surrounding refrigerant,

an inlet tube for conveying liquid into said cooling tank, an outlet-tube for dispensing liquid from said cooling" tank.

2. A beer cooling and dispensing apparatus of the character described, comprising a cooling tank arranged for receiving; conditioning and maintaining a constant supply of a liquid or beverage to be dispensed and provided with means to increase the coolingarea-of the said cooling tank and thus facilitate coolingof the contained.

rowof vertically placed open end cooling tubes interiorly located within the said cooling tank in spaced relation, said tubes being, bent at their ends, the lower bent open ends of the said coolingtubes being securely fastened in corresponding holes in the lower portion of the cooling tank wall and the upper bent open ends of the said cooling tubes being securely fastened in corresponding holes in the upper portionof the cool-Z ing tank wall, thus forming'a plurality of circulatory passages, through which cold. water or, a like refrigerant that surrounds the said cool- .ing tank when in service, circulates due to term peratureand density changes in the said cold water or a like refrigerant and consequently performs the function of transferring heat units from the liquid or beverage contained in the said cooling tank to the said cold water or a like surrounding refrigerant, an inlet tube for conveying liquid into said cooling tank, an outlet tube for dispensing liquid from said cooling tank, means for preventing back flow of liquid contained inthe said cooling tank comprising therefor a ball check valve mounted on the end of said inlet tube, the body of which is cuplike in pa and is provided with a'plur'ality of vertical guide formations or ribs integrally formed thereon, for

tical movement of'which is controlled by a pin,

dianietrically placed in corresponding holes formed in the wall structure of said check valve body, the said pin being located directly above and in spaced relation to said valve ball.

3. A beer coollngand dispensing apparatus of the character described, comprising a cooling tank arranged for receiving: conditioning and maintaining a constant supply of a liquid or beverage to be dispensed and providedwith means to increase the cooling area of the said cooling tank and thus facilitate cooling of the contained liquid or beverage, comprising a single circular row .of vertically placed open end cooling tubes interiorly located within the said cooling tank in spaced relation, said tubes being bent at their ends, the lower bent open ends of the said cooling tubes being securely fastened in corresponding holes in the lower portion of the cooling tank wall and the upper bent open ends of the said cooling tubes being securely fastened in corresponding holes in the upper portion of the cooling tank wall, thus forming a plurality of circulatory passages, through which cold water or a like refrigerant that surrounds the said cooling tank when in service, circulates due to temperature and density changes in the said cold water or a like refrigerant and consequently performs the function of transferringheat units from the liquid or beverage contained in the said cooling tank to the said cold water or a like surrounding refrigerant, an inlet tube for conveying liquid into said cooling tank, an outlet tube for dispensing liquid from said cooling tank, an air and water bubbling signal for indicating the existence of an empty beer keg or beverage container, in the form of an indicating transparent water receptacle mounted on the exterior wall of a cooler box, the indicating transparent water receptacle being connected by a tube line to a float controlled air relief valve exteriorly mounted on the detachable cover of the cooling tank, the body of the said indicating transparent water receptacle being provided with one or more passageways, through which air escapes from the float controlled air relief valve and passes through water contained in the indicating transparent water receptacle.

4. A beer cooling and dispensing apparatus of the character described, comprising a cooling tank arranged for receiving; conditioning and maintaining a constant supply of a liquid or beverage to be dispensed andprovided with means to increase the cooling area of the said cooling tank and thus facilitate cooling of the contained liquid or beverage, comprising a single circular row of vertically placed open end cooling tubes interiorly located within the said cooling tank in spaced relation, said tubes being bent at their ends, the lower bent open ends of the said cooling tubes being securely fastened in corresponding holes in the lower portion of the cooling tank wall and the upper bent open ends of the said cooling tubes being securely fastened in corresponding holes in the upper portion of the cooling tank wall, thus forming a plurality of circulatory passages, through which cold water or a like refrigerant that surrounds the said cooling tank when in service, circulates due to temperature and density changes in the said cold water or a like refrigerant and consequently performs the function of transferring heat units from the liquid or beverage contained in the said cooling tank to the said cold water or a like surrounding refrigerant, an inlet tube for conveying liquid into said cooling tank, an outlet tube for dispensing liquid from said cooling tank, and air and water bubbling signal for indicating the existence of an empty beer keg or beverage-container, in the form of an indicating transparent water receptacle mounted on the exterior wall of a cooler box, the indicating transparent water receptacle being connected by a tube line to a float controlled air relief valve exteriorly mounted on the detachable cover of the cooling tank, the body of the said indicating transparent water receptacle being provided with one or more passageways, through which air escapes from the float controlled air relief valve and passes through water contained in the indicating transparent water receptacle, means for draining a liquid or beverage from the cooling tank, comprising therefor a needle valve incorporated in the body of the indicating transparent water receptacle, whereby the escape of air through the indicating transparent water receptacle can be prevented by closing the said needle valve and thereby reneder effective the regular operation of a dispensing faucet.

THOMAS A. JENKINS. 

